65929489 has 2 divisors, whose sum is σ = 65929490. Its totient is φ = 65929488.

The previous prime is 65929483. The next prime is 65929531. The reversal of 65929489 is 98492956.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46348864 + 19580625 = 6808^2 + 4425^2 .

It is a cyclic number.

It is not a de Polignac number, because 65929489 - 2⁷ = 65929361 is a prime.

It is a super-2 number, since 2×65929489² = 8693395039602242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65929483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32964744 + 32964745.

It is an arithmetic number, because the mean of its divisors is an integer number (32964745).

Almost surely, 2^65929489 is an apocalyptic number.

It is an amenable number.

65929489 is a deficient number, since it is larger than the sum of its proper divisors (1).

65929489 is an equidigital number, since it uses as much as digits as its factorization.

65929489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 52.

The square root of 65929489 is about 8119.6975928910. The cubic root of 65929489 is about 403.9800356929.

The spelling of 65929489 in words is "sixty-five million, nine hundred twenty-nine thousand, four hundred eighty-nine".